Honeywell TH6320ZW2003 Pro Z-Wave Programmable Thermostat Installation Guide
Wiring conventional systems: forced air and hydronics
1H/1C System (1 transformer)
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
1H/1C System (2 transformers)
Power (heating transformer) [1]
Rc Power (cooling transformer) [1]
R
R
Y
Compressor contactor
24 VAC common [3]
Heat relay
Y
Compressor contactor
24 VAC common [3, 4]
Heat relay
C
W
G
C
W
G
Fan relay
Fan relay
Heat-only System
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
Heat-only System with Fan
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
R
R
C
W
24 VAC common [3]
Heat relay
C
W
G
24 VAC common [3]
Heat relay
Fan relay
Heat-only System (Series 20) [5]
Series 20 valve terminal “R” [1]
Rc [R+Rc joined by Slider Tab] [2]
R
Cool-only System
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
R
Y
C
W
Series 20 valve terminal “W”
24 VAC common [3]
Series 20 valve terminal “B”
Y
C
G
Compressor contactor
24 VAC common [3]
Fan relay
Heat-only System
(power open zone valve) [5]
2H/2C System (1 transformer) [6]
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
R
Power [1]
R
Rc [R+Rc joined by Slider Tab] [2]
W
C
Valve
24 VAC common [3]
Y
Compressor contactor (stage 1)
24 VAC common [3]
Heat relay (stage 1)
Fan relay
C
W
G
W2 Heat relay (stage 2)
Y2 Compressor contactor (stage 2)
NOTES:
• Available wiring configurations may differ by product models/product numbers.
• Wire specifications: Use 18- to 22-gauge thermostat wire. Shielded cable is not required.
[1] Power supply. Provide disconnect means and
[5] In Installer Setup Options (ISU), set system type
overload protection as required.
to Boiler. Set number of cool stages to 0.
[2] Move R-Slider Tab on UWP to the R setting. For
more information, see "Setting Slider Tabs" on
page 5.
[6] In Installer Setup Options (ISU), set system type
to Conventional. Set cool stages to 2, and set
heat stages to 2.
[3] Optional 24 VAC common connection.
[4] If you do not have separate wires for the Aux
and E terminals, connect the wire to the Aux
terminal.
6
| General | Details |
|---|---|
| Name | Honeywell TH6320ZW2003 Pro Z-Wave Programmable Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 2.34 MB |

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